#!/usr/bin/python -u
#
# Copyright Pravega Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

from time import sleep

import os
import socket

endpoints = os.environ["WAIT_FOR"].split(",")
size = 1024

for endpoint in endpoints:
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    print("Waiting for " + endpoint)
    connected = False
    while not connected:
        try:
            host,port = endpoint.split(":")
            s.connect((host,int(port)))
            connected = True
            print("Connected to " + endpoint)
        except Exception as e:
            print("Unable to connect to " + endpoint + ". Waiting")
            print(e)
            sleep(5)
